problem03_20

University Physics with Modern Physics with Mastering Physics (11th Edition)

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
3.20: a) If air resistance is to be ignored, the components of acceleration are 0 horizontally and 2 s m 80 . 9 - = - g vertically. b) The x -component of velocity is constant at s m 55 . 7 0 . 51 cos ) s m 0 . 12 ( = ° = x v . The y -component is s m 32 . 9 0 . 51 sin ) s m 0 . 12 ( 0 = ° = y v at release and s m 06 . 11 ) s 08 . 2 )( s m 80 . 9 ( ) s m 57 . 10 ( 2 0 - = - = - gt v y when the shot hits.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: c) m 7 15 s) 08 . 2 )( s m 55 . 7 ( . t v x = = . d) The initial and final heights are not the same. e) With = y and v 0y as found above, solving Eq. (3.18) for m 81 . 1 = y . f)...
View Full Document

Ask a homework question - tutors are online